Thieman Tailgates

About Thieman Tailgates

Thieman Tailgates is a U.S.-based liftgate manufacturer with over five decades of experience building rugged, high-capacity lift systems. Their product line supports dry vans, reefers, service trucks, and flatbeds with versatile installation options for nearly every fleet application. Matthews Motors offers: • Installation and electrical integration • Replacement lift upgrades • Maintenance and hydraulic troubleshooting • DOT-aligned lift inspections

Vehicle Applications

Compatible with Heavy-Duty Fleets

53′ Dry Vans & Reefers
Box Trucks & Straight Trucks
Dump Bodies & Flatbeds
Vocational and Utility Service Trucks

Parts & Service Support

Repair-Ready Liftgate Services

Hydraulic cylinder rebuilds
Power unit replacements
Liftgate platform repairs
Switches, relays, and motor kits

Why Matthews Motors

Certified Heavy-Duty Install Partner

Thieman-certified install team
In-house wiring and lift integration
Upfit-to-liftgate design coordination
Paint-matched installs available

About Thieman Tailgates

Vehicle Applications

Compatible with Heavy-Duty Fleets

53′ Dry Vans & Reefers
Box Trucks & Straight Trucks
Dump Bodies & Flatbeds
Vocational and Utility Service Trucks

Parts & Service Support

Repair-Ready Liftgate Services

Hydraulic cylinder rebuilds
Power unit replacements
Liftgate platform repairs
Switches, relays, and motor kits

Why Matthews Motors

Certified Heavy-Duty Install Partner

Thieman-certified install team
In-house wiring and lift integration
Upfit-to-liftgate design coordination
Paint-matched installs available

Thieman Tailgates – Built to Work. Made to Last.

Matthews Motors installs Thieman liftgates across trailers, vocational trucks, and fleet platforms that demand strength and reliability.

Conventional Liftgates – TWL & WT Series

Thieman’s TWL and WT conventional liftgates are built for medium- and heavy-duty truck applications. They provide high-cycle performance with vertical lift from ground to bed height, supported by rugged steel or aluminum platforms and powerful hydraulic systems.

Direct vertical lift from ground to bed height
Platform-mounted power unit (WT series)
Dock-friendly platform taper options
Hydraulic up/down and power tilt

Heavy Duty Railgates – TDR & VL Series

Thieman’s TDR and VL Series Railgates deliver heavy-duty performance for high-capacity freight applications. These rail-type liftgates feature vertical lift with rugged construction, ideal for demanding delivery routes and regional distribution.

Vertical lift rail system for smooth, high-capacity lifting
Heavy-duty steel construction and hydraulic actuation
Anti-skid platform surfaces and automatic leveling
Reinforced columns and protected wiring

Heavy Duty Bottle Gas Railgates – TDRBG & VLBG Series

Thieman’s TDRBG and VLBG Series are purpose-built railgates for safely transporting bottle gas cylinders. These liftgates offer reinforced platforms with high side retention, ideal for distribution of pressurized gas containers in commercial and industrial use.

High side railings for secure bottle containment
Vertical lift operation with full hydraulic control
Reinforced steel platform with anti-slip surface
Compact and durable for demanding gas delivery

Medium Duty Railgates – TVLR & AATVLR Series

Thieman’s TVLR and AATVLR medium-duty railgates are designed for versatility and ease of use. These gates support medium-capacity loads and offer vertical lifting with optional aluminum platforms and power features to meet the needs of general delivery fleets.

Vertical lift railgate design
Manual or power tilt available
Steel or aluminum platform options
Fully enclosed pump and motor assembly

Side Loader Liftgates – SL Series

Thieman’s SL Series Side Loader Liftgates provide easy lateral access for applications requiring side unloading. With hydraulic operation and low stow height, these gates are ideal for beverage distribution and other side-delivery needs.

Side loading platform design
Hydraulic lift and power tilt
Stow height as low as 6 inches
Aluminum or steel platform options

Toplifter Liftgates – TT Series

The Thieman TT Series Toplifter Liftgates are designed for above-bed loading applications, offering robust performance and lift capacity for medium-duty trucks. These gates feature platforms that rise above the truck bed to simplify loading and unloading of heavy cargo.

Above-bed toplift platform design
Steel or aluminum deck options
Hydraulic up/down and tilt operation
Rugged frame design for harsh-duty cycles

Pickup & Service Body Liftgates – TT-15ET

Thieman’s TT-15ET is purpose-built for pickup trucks and service bodies, delivering durable lifting power in a compact format. Designed for easy installation and operation, it is ideal for technicians and contractors who need reliable bed access in the field.

Designed for pickup trucks and utility/service bodies
Above-bed lift with single-cylinder hydraulic operation
Platform folds for compact storage
Easy bolt-on installation

Hydraulic Pump Assemblies & Components

Thieman provides a wide selection of complete hydraulic power units and replacement parts to support its liftgate lineup. These assemblies are built for durability and serviceability across a range of models, from legacy pumps to current high-pressure systems. Complete power units and service kits are available for installation and maintenance.

Active Power Units: 4400241, 4400321, 4400351, 4400421, 4400871, 4400901, 4404, 4411, 4440, 4441, 4442, 4443, 4463, 4465, 4466, 4469, 4472, 4473, 4474, 4475, 4476, 4498, 4499
Service-Only Units: 4400091, 4400701, 4400841, 4400851

Stowaway Liftgates – Thieman LRST, M-Series, MDC, MLB

Thieman’s stowaway liftgates provide powerful lifting capabilities with space-saving designs. Mounted beneath the truck or trailer bed, these gates stay out of the way when not in use, and deploy quickly for efficient cargo handling. They are ideal for trucks that require full access to rear doors without obstruction.

Flip-away liftgate design for rear door clearance
Hydraulic up/down with power fold/stow options
Steel or aluminum platforms with anti-slip surface
Compact storage beneath the chassis

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Lift Smarter with Thieman

Upgrade your fleet with rugged and reliable Thieman liftgates.

Thieman Tailgates

About Thieman Tailgates

Vehicle Applications

Compatible with Heavy-Duty Fleets

Parts & Service Support

Repair-Ready Liftgate Services

Why Matthews Motors

Certified Heavy-Duty Install Partner

About Thieman Tailgates

Vehicle Applications

Compatible with Heavy-Duty Fleets

Parts & Service Support

Repair-Ready Liftgate Services

Why Matthews Motors

Certified Heavy-Duty Install Partner

Thieman Tailgates – Built to Work. Made to Last.

Conventional Liftgates – TWL & WT Series

Ready To Roll Inventory

Lift Smarter with Thieman

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